<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <div id="main" style="width: 600px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
// 1、导入echarts
import * as echarts from 'echarts'
import _ from 'lodash'

export default {
  data() {
    return {
    }
  },
  created() {},
  // 2、methods表示页面上的元素，已经被渲染完毕了
  async mounted() {

    // 3、基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'))
    const { data: res } = await this.$http.get('reports/type/1')
    if (res.meta.status !== 200) {
      return this.$message.error('获取折线图数据失败')
    }

    // 4、展示数据
    myChart.setOption(_.merge(res.data,{
         // 需要合并的数据
        title: {
          text: 'ECharts 入门示例',
        },
        tooltip: {},
        xAxis: {
          data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子'],
        },
        yAxis: {},
        series: [
          {
            name: '销量',
            type: 'bar',
            data: [5, 20, 36, 10, 10, 20],
          },
        ],
    }))
  },
  methods: {},
}
</script>
<style lang='less' scoped>
</style>